Etymology
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mis- (2)

word-forming element of Latin origin (in mischief, miscreant, misadventure, misnomer, etc.), from Old French mes- "bad, badly, wrong, wrongly," from Vulgar Latin *minus-, from Latin minus "less" (from suffixed form of PIE root *mei- (2) "small"), which was not used as a prefix in Latin but in the Romanic languages was affixed to words as a depreciative or negative element. The form in French perhaps was influenced in Old French by *miss-, the Frankish (Germanic) form of mis- (1).

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mis- (1)

prefix of Germanic origin affixed to nouns and verbs and meaning "bad, wrong," from Old English mis-, from Proto-Germanic *missa- "divergent, astray" (source also of Old Frisian and Old Saxon mis-, Middle Dutch misse-, Old High German missa-, German miß-, Old Norse mis-, Gothic missa-), perhaps literally "in a changed manner," and with a root sense of "difference, change" (compare Gothic misso "mutually"), and thus possibly from PIE *mit-to-, from root *mei- (1) "to change."

Productive as word-forming element in Old English (as in mislæran "to give bad advice, teach amiss"). In 14c.-16c. in a few verbs its sense began to be felt as "unfavorably," and it came to be used as an intensive prefix with words already expressing negative feeling (as in misdoubt). Practically a separate word in Old and early Middle English (and often written as such). Old English also had an adjective (mislic "diverse, unlike, various") and an adverb (mislice "in various directions, wrongly, astray") derived from it, corresponding to German misslich (adj.). It has become confused with mis- (2).

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miscounsel (v.)

late 14c., miscounceilen, "counsel or advise falsely," from mis- (1) "badly, wrongly" + counsel (v.); or else from Old French mesconseillier "counsel badly," from mes- (see mis- (2)). Related: Miscounseled; miscounseling.

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misemployment (n.)

"misapplication, misuse," 1590s, from mis- (1) "bad, wrong" + employment.

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miscalculation (n.)

"erroneous calculation or estimate," 1720, from mis- (1) "bad, wrong" + calculation.

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misidentification (n.)

"erroneous identification," 1858, from mis- (1) + identification.

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misbecome (v.)

"suit ill, be unfitting," 1520s, from mis- (1) "badly, wrongly" + become.

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mistranslation (n.)

"an erroneous translation," 1690s, from mis- (1) + translation.

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misapplication (n.)

"a wrong or false application," c. 1600; see mis- (1) "bad, wrong" + application.

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misbetide (v.)

"have bad fortune, experience defeat," c. 1400, from mis- (1) + betide. Now obsolete.

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